Ashialight LED Motion Sensor Light Bulbs, PIR Infrared Sensor Motion Detector, Replaces 60w Incandescent Bulb, Soft White 3000K,Standard Base E27 Automatic Light Bulbs In-built passive infrared (PIR) motion sensor and Light Sensor,The Smart Lamp only turns on if movement is detected in dark environment ,Stays on for 40-60 seconds after movement detected. Suitable for home bedroom, household corridor, veranda, home balcony, toilets, underground parking lot, office & shop, etc. Automatic trigger signal output level start LED the drive to work, when people leave induction area, after set up good delay time, shut down automatically, lamps and lanterns in ultra low power dormancy. Brightest LED motion sensor bulb in market that works 24 hours!150 detecting, 4-5 meters detecting range; the angle of the lamp is 150 degrees rotatable Replaces 60w light bulbs, Medium screw base E26 socket, warm white LED Bulb (2700k-3000k),any problems, contact:help@ashialight.com freely.